The periodic table was first assembled in
1869 by a Russian chemist named Dmitri Mendeleev. He came up with a way of organizing
the elements that were known at the time, arranged them in order of atomic weight,
and then grouped them into rows and columns based on their chemical and physical
properties.
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
while typing up your telephone line, and a nice lady's voice announced "You've Got
Mail" when a new message arrived...
All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledged.
The periodic table was first assembled in
1869 by a Russian chemist named Dmitri Mendeleev. He came up with a way of organizing
the elements that were known at the time, arranged them in order of atomic weight,
and then grouped them into rows and columns based on their chemical and physical
properties. 
Here is a
unique "
